                          (let [imgdir (io/file "doc")
                                fl (io/file imgdir (-> ctx :request :path-info))]
                            {:exists? (.exists fl)
+                            :last-modified (.lastModified fl)
                             ::file fl}))
            :produces (fn [ctx] (ext-mime-type (.getName (-> ctx :properties ::file))))
            :methods

    (let [engine (Asciidoctor$Factory/create)
          _ (register-docinfo-processor! engine)
          ]
      (.convertFile
       engine fl
       (..

    [["/manual/index.html"]
     (resource
      {:id ::manual
       :properties
       (fn [ctx]
         (let [fl (io/file "doc" "yada-manual.adoc")]
           {:exists? true
            :last-modified (apply max (map #(.lastModified %) (filter #(.isFile %) (file-seq (io/file "doc")))))
            ::file fl}))
       :methods
       {:get
        {:produces {:media-type "text/html" :charset "UTF-8"}
         :response (fn [ctx]
                     (asciidoc->html (-> ctx :properties ::file) {:toc true}))}}})]

    [["/index.html"]
     (resource
